21751125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5273}}^1$

素因数の和:5302

約数の個数: 32

約数和(自身を含む): 39491712

約数和(自身を除く): 17740587

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5273, 15819, 26365, 58003, 79095, 131825, 174009, 290015, 395475, 659125, 870045, 1450075, 1977375, 4350225, 7250375, 21751125]

約数ペア:

[(1, 21751125), (3, 7250375), (5, 4350225), (11, 1977375), (15, 1450075), (25, 870045), (33, 659125), (55, 395475), (75, 290015), (125, 174009), (165, 131825), (275, 79095), (375, 58003), (825, 26365), (1375, 15819), (4125, 5273)]